Doctor profile · Federal record

Dr. Mahmoud Moawad Elnaa, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Cambridge, MA

  • NPI 1689860215
  • Accepts Medicare
  • 49 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1611 Cambridge St, Harvard Vanguard Medical Associates
Cambridge, MA 02138
(617) 661-5500

Credentials & registration

NPPES · NUCC
NPI registered
September 2007 — 19 yrs on file
Profile last updated
November 17, 2020
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Massachusetts #234347 · Pennsylvania #MD041131L
Medicaid
MA #2161053

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689860215. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
249
Distinct HCPCS
9
Medicare allowed
$7,941
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 61 44 $8
83036 Hemoglobin a1c level 36 21 $10
80061 Blood test, lipids (cholesterol and triglycerides) 29 26 $13
99213 Established patient office or other outpatient visit, 20-29 minutes 26 24 $91
99214 Established patient office or other outpatient visit, 30-39 minutes 26 21 $127
82565 Blood creatinine level 20 19 $5
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 18 18 $42
82043 Urine microalbumin (protein) level 17 16 $6
82570 Creatinine level to test for kidney function or muscle injury 16 15 $5

In context: peer comparison

Among 70 peers in Cambridge Internal Medicine Physician, average services per provider: 94. This provider delivers 2.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,077
Patients
397
Total drug cost
$19,103
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 238 84 $5,405
Amlodipine Besylate Generic 149 52 $1,437
Simvastatin Generic 83 35 $1,149
Lisinopril Generic 69 28 $771
Tamsulosin Hcl Generic 68 23 $2,275
Metoprolol Succinate Generic 66 25 $1,990
Omeprazole Generic 62 22 $1,192
Levothyroxine Sodium Generic 57 23 $911
Metformin Hcl Generic 57 21 $681
Pravastatin Sodium Generic 47 16 $959

Frequently asked questions

Auto-generated from federal data
What is Dr. Mahmoud Moawad Elnaa's medical specialty?
Dr. Mahmoud Moawad Elnaa practices Internal Medicine Physician in Cambridge, MA.
Where does Dr. Mahmoud Moawad Elnaa practice?
Dr. Mahmoud Moawad Elnaa practices at 1611 Cambridge St, Cambridge, MA 02138. Office phone: 6176615500.
What is Dr. Mahmoud Moawad Elnaa's NPI?
Dr. Mahmoud Moawad Elnaa's National Provider Identifier (NPI) is 1689860215, issued by NPPES.
Does Dr. Mahmoud Moawad Elnaa accept Medicare assignment?
Yes. Dr. Mahmoud Moawad Elnaa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mahmoud Moawad Elnaa commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Hemoglobin a1c level (HCPCS 83036); Blood test, lipids (cholesterol and triglycerides) (HCPCS 80061). Source: CMS Medicare Physician & Other Practitioners file.